| 1. | the fourth letter of the English alphabet, a consonant. |
| 2. | any spoken sound represented by the letter D or d, as in dog, ladder, ladle, or pulled. |
| 3. | something having the shape of a D. |
| 4. | a written or printed representation of the letter D or d. |
| 5. | a device, as a printer's type, for reproducing the letter D or d. |
| 1. | de (used in French names as an elided form of de): Charles Louis d'Albert. |
| 2. | di (used in Italian names as an elided form of di): Gabriele d'Annunzio. |
| Pronunciation Spelling. contraction of do or did before you: How d'you like your eggs cooked? D'you go to the movies last night? |
| 1. | contraction of had: I was glad they'd gone. |
| 2. | contraction of did: Where'd they go? |
| 3. | contraction of should or would: He'd like to go. I'd like to remind you of your promise. |
| 4. | contraction of -ed: She OK'd the plan. |
| 1. | the fourth in order or in a series. |
| 2. | (sometimes lowercase ) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as poor or barely passing. |
| 3. | (sometimes lowercase ) a classification, rating, or the like, indicating poor quality. |
| 4. | Music.
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| 5. | (sometimes lowercase ) the Roman numeral for 500. Compare Roman numerals. |
| 6. | Chemistry. deuterium. |
| 7. | Electricity.
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| 8. | Biochemistry. aspartic acid. |
| 9. | a symbol for a shoe width size narrower than E and wider than C. |
| 10. | a proportional brassiere cup size larger than C. |
| 1. | (in prescriptions) give. Origin: < L dā ![]() |
| 2. | date. |
| 3. | daughter. |
| 4. | day. |
| 5. | deceased. |
| 6. | deep. |
| 7. | degree. |
| 8. | delete. |
| 9. | British. pence. Origin: < L denāriī ![]() |
| 10. | British. penny. Origin: < L denārius ![]() |
| 11. | Physics. density. |
| 12. | depth. |
| 13. | deputy. |
| 14. | dialect. |
| 15. | dialectal. |
| 16. | diameter. |
| 17. | died. |
| 18. | dime. |
| 19. | dividend. |
| 20. | dollar; dollars. |
| 21. | dose. |
| 22. | drachma. |
| 1. | Optics. a unit of measure of the refractive power of a lens, having the dimension of the reciprocal of length and a unit equal to the reciprocal of one meter. Abbreviation: D |
| 2. | an instrument, invented by Hipparchus, to measure the apparent diameter of the sun or moon or to estimate the size or elevation of distant objects. |

| 1. | of, pertaining to, or characteristic of the natives or inhabitants of the Netherlands or their country or language. |
| 2. | pertaining to or designating the style of painting and subject matter developed in the Netherlands during the 17th century, chiefly characterized by the use of chiaroscuro, muted tones, naturalistic colors or forms, and of genre, landscape, or still-life subjects drawn from contemporary urban and rural life. |
| 3. | of, pertaining to, or characteristic of the Pennsylvania Dutch. |
| 4. | Archaic. German; Teutonic. |
| 5. | the people of the Netherlands and their immediate descendants elsewhere, collectively. |
| 6. | Pennsylvania Dutch. |
| 7. | Also called Netherlandic. the Germanic language of the Netherlands and northern Belgium. Abbreviation: D Compare Flemish. |
| 8. | Obsolete. the German language. |
| 9. | go Dutch, to have each person pay his or her own expenses: a dinner where everyone goes Dutch. Also, go dutch. |
| 10. | in Dutch, in trouble or disfavor (with someone): in Dutch with the teacher for disturbing the class. |

noun, plural pen⋅nies, (especially collectively for 2, 3) pence, adjective | 1. | a bronze coin, the 100th part of the dollars of various nations, as Australia, Canada, New Zealand, and the United States; one cent. |
| 2. | Also called new penny. a bronze coin and monetary unit of the United Kingdom and various other nations, the 100th part of a pound. Abbreviation: p |
| 3. | a former bronze coin and monetary unit of the United Kingdom and various other nations, the 12th part of a shilling: use phased out in 1971. Abbreviation: d. |
| 4. | a sum of money: He spent every penny he ever earned. |
| 5. | the length of a nail in terms of certain standard designations from twopenny to sixtypenny. |
| 6. | Stock Exchange. of, pertaining to, or being penny stock: frenzied speculation in the penny market. |
| 7. | a bad penny, someone or something undesirable. |
| 8. | a pretty penny, Informal. a considerable sum of money: Their car must have cost them a pretty penny. |
| 9. | Chiefly British Slang. spend a penny, to urinate: from the former cost of using a public lavatory. |
| 10. | turn an honest penny, to earn one's living honestly; make money by fair means: He's never turned an honest penny in his life. |
| d 2 abbr.
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D 1
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| D 2 abbr.
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| down quark n. Abbr. d A quark with a charge of - 1/3 , a mass about 20 times that of the electron, and a downward spin. It is a component of protons and neutrons. See Table at subatomic particle. |
The Dutch themselves spoke English well enough to understand the unsavory connotations of the label and in 1934 Dutch officials were ordered by their government to stop using the term Dutch. Instead, they were to rewrite their sentences so as to employ the official The Netherlands. [Rawson]Dutch elm disease (1927) so called because it was first discovered in Holland (caused by fungus Ceratocystis ulmi).
D
A Nasdaq stock symbol specifying that the stock is a new issue.
Investopedia Commentary
Nasdaq-listed securities have four or five characters. If a fifth letter appears, it identifies the issue as other than a single issue of common stock or capital stock
See also: Nasdaq, Stock Symbol
Also spelled: D
d
D 1
The symbol for the isotope deuterium.
D 2
abbr.
dexter
diffusing capacity
dead space
D. abbr.
diopter
dose
d- pref. d-
To the right; dextro: d-tartaric acid.
diopter di·op·ter (dī-ŏp'tər)
n.
Abbr. D.
A unit of measurement of the refractive power of lenses equal to the reciprocal of the focal length measured in meters.
| d
Abbreviation of diameter |
D
1. "The Data Language." MS-DOS 4GL.
2. A Haskell-like language, with type classes.
E-mail:
d
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D
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